Bacterium pneumoniae
[医] 肺炎杆菌
🧩 词语组成解析
🗣️ 情景例句
Do I have to get it done by noon?
我必须在中午以前做完吗？
Without a friend,the world is wilderness.
没有朋友，世界成了荒野。
We can't sign the contract yet.
我们还不能在契约上签字。